Lead Software Engineer Fullstack Reactpython Developer Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

eDV/UKSC Contract Roles: Up to £800/day, London

eDV / UK*C Contract Opportunities Up to £800 per day London Active eDV / UK*C security clearance required Scot Lewis is partnered with a number of world leading technology companies, consultancies and SME's that operate within the UK Cyber, National Sec ...

Senior Software Engineer

Senior Software Engineer (Tech Agnostic- Python, Go, Rust) Hybrid- London £100,000-£135,000 + Generous Equity + Strong Package Series A | High-Growth Tech We're partnered with one of Europe's fastest-scaling technology startups, fresh off a major Series A raise and building at extr ...

Embedded Software Engineer

A new and exciting opportunity has become available for an Embedded Software Engineer job, based in Northamptonshire required to join one of the global market leaders in defence and aerospace electronics. They currently require an Embedded Software Engineer to join their rapidly expanding R&D departme ...

Software Engineer (Defence)

Software Engineer - National Security & Defence UK-Based | Hybrid and Secure On-Site Working | eDV Clearance Required Solve complex engineering challenges that help protect the UK. We're recruiting Software Engineers to join a hi ...

Backend Software Engineer

You will play a key role in designing, developing, and supporting high-performance software solutions within secure and mission-critical environments. You'll work closely with multidisciplinary teams to deliver reliable, scalable, and maintainable systems that meet demanding operational requirements. This rol ...

Software Engineer (Rust)

This includes work in areas such as: - RISC-V firmware and driver development. - Software hardening and security tools. - Embedded operating systems (in Rust and C). - Compilers, code generators, and linters. - Simulators and emulators (e.g. QEMU). - Electronic design ...

Senior Software Engineer

Location: Brick Lane, London Days in the Office: 2 days per week Job Title: Senior Engineer Length of Contract: 6 months, with potential extension Key Skills: Work embedded in a cross-functional ...

Senior Software Engineer

The role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of internal and external stakeholders. Depending on individual strengths and experience, the role may focus on either modern ...

Senior Software Engineer

The role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of internal and external stakeholders. Depending on individual strengths and experience, the role may focus on either modern ...

Senior Software Engineer

Senior Software Engineer Reference: BH-377p Working Hours: Full-time Job Type: Permanent Salary: Competitive Location: Remote or Hybrid - London office About The Client: Our client is a rapidly growing Infrastructure-as-a-Service (Iaa ...

Java Software Engineer

Java Software Engineer - Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and ...

Senior Software Engineer

Senior Front Office Software Engineer – Real‑Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior softwar ...

Senior Software Engineer

Senior Software Engineer The Opportunity On behalf of a global powerhouse in FinTech Infrastructure , we are seeking a Senior Software Engineer . Our client operates one of the largest financial networks, ...

Senior Software Engineer

Senior Software Engineer Central London | Hybrid £100k–£140k + bonus + equity Python, Databricks, AWS / GCP, Kubernetes We’re hiring a Senior Software Engineer to join a well-funded data business operating in the government / intelligence space. ...

Software Test Engineer

Test Engineer Location – Bristol - hybrid Contract Length / Type – 3-4 months Mandatory requirements – Active SC Clearance A Test Engineer with experience in performance and load testing, ensuring system scalability and reliability under high traffic c ...

Senior Software Engineer

This role is OPEN to UK citizens or ILR (Indefinite Leave to Remain) Senior Full Stack Developer Salary £65k Per annum + Benefits West Midlands Area ...

Embedded Software Engineer

Embedded Software Engineer – Power Electronics Location: Milton Keynes + Flexible Hybrid Working from Home Salary: up to £60,000 KO2’s client, an innovative electronics engineering company based in Milton Keynes, is seeking ...

Senior Software Engineer

Senior Full Stack .NET Engineer • £75,000 – £90,000 + share options • London | Hybrid working (2–3 days office) Our client is a fast-growing payments technology company who are transforming their sector. Due to ...

Senior Software Engineer

Software Development Engineer III Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming communit ...

Python Software Engineer

Role Summary - Python Engineer Aubay UK is seeking a Python Engineer to join the Orcas Team with our client, working within the Geneva portfolio to build out shared functionality and common engineering capabilities for internal product teams. As part of a centralised engine ...

Python Software Engineer

Python Software Engineer - Observability Engineering - Quant Research (You must have the right to work in the UK to be considered for this position) London (Hybrid) | c.£150k base + bonus • I’m working with a top-tier quant ...

Senior Software Engineer

Senior Software Engineer Location: London (Hybrid / On-site) Salary: £100,000 – £150,000 + equity About the Company We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s mo ...

Staff Software Engineer

About Classic Football Shirts Classic Football Shirts started in 2006 when university friends Matt Dale and Doug Bierton set out to track down rare football shirts. From those early days in a bedroom full of rails, the company has grown into a thriving business with a talented team, a ...

Staff Software Engineer

Senior Full Stack Engineer (AI) | London | £100k to £150k | React | Django | FastAPI Location: London Salary: £100,000-£150,000 + benefits This role is for Engineers who are intellectual and driven by deep comple ...

Embedded Software Engineer

Embedded Software Engineer (ADA) 12 month contract Based in Bristol Offering £68ph Inside IR35 Do you have experience in ADA? Do you have experience across the entire software engineering life ...

Senior Software Engineer

About the Company At Cyber Guardian Consulting Group, we bring Fortune 100-caliber cybersecurity to small and medium-sized businesses. Since 2015, we've been building proactive, lightweight, and cost-effective solutions that meet and exceed modern security requirements. We're security ...

Staff Software Engineer

Staff Product Engineer London | Hybrid | Full-time Salary: Up to £125,000 We’re partnering with a high-growth, AI-native consumer technology start-up that’s tackling a large, complex and highly visible everyday problem at national scale. They’re looking for a ...

Staff Software Engineer

Staff Python Engineer | London | £100k to £150k + benefits | FastAPI Salary: £100,000 - £150,000 Location: London This is an exceptional individual contributor role for engineers who want to work on problems that actually ...

Application Software Engineer

We have an exciting opportunity for an Application Software Engineer to join a leading global audio technology business. Their products are used around the world delivering the reliability, precision, and performance required in high-pressure live environments. They’re now looking to hire an ...

Senior Software Engineer

Senior Software Engineer (Java) Permanent Manchester-based (Hybrid with 3 days in the office) Salary DOE - £95,000 - £145,000 + attractive benefits + bonus The client is continuing to scale their en ...

Backend Software Engineer

Backend Software Engineer - Core Business Systems (CBS) STS Digital ( is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a global engineering team. ...

Senior Software Engineer

About the Company Building out a new team in London, rapidly scaling Silicon Valley technology company building core infrastructure for physical AI across sectors including automotive, defence, construction, mining, agriculture, and logistics. Its platforms are used by lead ...

Software Test Engineer

Software Test Engineer Luton 12-Month Contract Paying up to £74p/h (InsideIR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high lev ...

Principal Software Engineer

If you are a Front End-leaning Principal engineer who wants to combine your experience in web and AI to help unlock other engineering teams, this might be the role for you. This role will also be an opportunity to apply AI to real-world problems inside a healthy, profitable, and rapidly growing business. ...

Senior Software Engineer

Senior Software Engineer | High-Growth Tech Scale-Up London Area (Fully Remote) PHP (Symfony or Laravel), Angular, TypeScript We’re working with a fast-growing B2B SaaS company that builds enterprise-grade software used by g ...

GPU Software Engineer

As a GPU Software Engineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. <strong ...

Senior Software Engineer

Do you want to be part of the future of value transfer? Are you excited about solving problems that have never been solved before? Looking for a values‑led company that truly invests in your growth? We’re looking for a Senior Software ...

Senior Software Engineer

I’m partnering with a high-growth fintech to hire a Senior Software Engineer into a core backend team working on live, customer-facing payment systems. This is a replacement hire following an internal promotion and sits within a small, high-performing engineering group at a key phase of client onboarding and ...

Embedded Software Engineer

Join a world-class technology consultancy | Cambridge, Hybrid Working Model This globally recognised engineering consultancy works at the forefront of science and technology, delivering complex products across healthcare, communications, electronics and deep-tech sectors. T ...

Java Software Engineer

Role: Java Engineer (Low Latency Systems) Experience: 4–12 years Key Skills & Technologies : Strong engineering mindset with expertise in Java Low latency programming techniques Google gRPC (Re ...

Embedded Software Engineer

Embedded System Software Engineer (Linux Kernel) This leading scaleup is looking for Embedded System Software Engineer with experience of C++ and kernel. In this role, you will work at the intersection of Linux kernel, and low-level system software, contributing to high-per ...

Principal Software Engineer

A fast-scaling AI product company is looking for a Senior Backend Developer to help build and scale a next-generation platform. This is a high-impact role within a small, ambitious engineering team, suited to someone who enjoys ownership and building robust systems from the ground up. <stron ...

Junior Software Engineer

Junior Java Developer – High-Throughput, Low-Latency Financial Trading! Salary: £60,000 - £65,000 + bonus + benefits Location: 3 days onsite, City of London Are you looking to kick-start your career in a fast-paced ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Lead Software Engineer Fullstack Reactpython Developer Jobs in United Kingdom Job Search Guide, Trends and Insights